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MYCOPHENOLIC ACID PREVENTS REJECTION IN ORGAN TRANSPLANTATION

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Mycophenolic Acid

Biochemicals > Immunosuppressants

Substance Name:6-(4-Hydroxy-6-methoxy-7-methyl -3-oxo-5-phthalanyl)-4- methyl-4-hexenoic acid; NSC 129185

CAS Number:24280-93-1

As low as $ 22.75
Price $ 22.75
10 MG $ 22.75
250 MG $ 141.75
500 MG $ 235.00
1 G $ 425.00

Mycophenolic acid or mycophenolate is an immunosuppressant drug used to prevent rejection in organ transplantation. It inhibits an enzyme needed for the growth of T cells and B cells. It was initially marketed as the prodrugmycophenolate mofetil (MMF) to improve oral bioavailability. More recently, the salt mycophenolate sodium has also been introduced. Mycophenolic acid is commonly marketed under the trade names CellCept (mycophenolate mofetil; Roche) and Myfortic (mycophenolate sodium; Novartis).

medium_humanheart-resized-600 Mycophenolic acid or mycophenolate is an immunosuppressant drug used to prevent rejection in organ transplantation. It inhibits an enzyme needed for the growth of T cells and B cells. It was initially marketed as the prodrugmycophenolate mofetil (MMF) to improve oral bioavailability. More recently, the salt mycophenolate sodium has also been introduced. Mycophenolic acid is commonly marketed under the trade names CellCept (mycophenolate mofetil; Roche) and Myfortic (mycophenolate sodium; Novartis). Clinical Use In general, mycophenolate is used for the prevention of organ transplant rejection. Mycophenolate mofetil is indicated for the prevention of organ transplant rejection in adults and renal transplant rejection in children over 2 years; whereas mycophenolate sodium is indicated for the prevention of renal transplant rejection in adults. Mycophenolate sodium has also been used for the prevention of rejection in liver, heart, and/or lung transplants in children older than two years.

An immunosuppressant that has drastically decreased the incidence of acute rejection in solid transplant recipients, mycophenolate is increasingly utilized as a steroid sparing treatment in immune-mediated disorders including immunoglobulin A nephropathy, small vessel vasculitides, and psoriasis. Its increasing application in treating lupus nephritis has demonstrated more frequent complete response and less frequent complications compared to cyclophosphamide bolus therapy, a regimen with risk of bone marrow suppression, infertility, and malignancy. Further work addressing maintenance therapy demonstrated mycophenolate superior to cyclophosphamide, again in terms of response and side-effects. Walsh even proposed that mycophenolate should be considered as a first-line induction therapy for treatment of lupus nephritis in patients without renal dysfunction, suggesting that mycophenolate will be encountered more frequently in medical practice. Comparison To Other Agents Compared with azathioprine it has significantly higher incidence of diarrhea, and no difference in risk of any of the other side effects. Mycophenolic acid is 15 times more expensive than azathioprine. The exact role of mycophenolate vs azathioprine has yet to be conclusively established. In long-term immunosuppression, it may be used to avoid calcineurin inhibitors or steroids. Potential Future Uses Mycophenolate mofetil is beginning to be used in the management of auto-immune disorders such as idiopathic thrombocytopenic purpura (ITP), systemic lupus erythematosus(SLE), scleroderma (systemic sclerosis or SSc), and pemphigus vulgaris (PV) with success for some patients. It is also currently being used as a long-term therapy for maintaining remission of C-ANCA positive (Wegener's) granulomatosis, thus far, studies have found it inferior to azathioprine. A combination of mycophenolate and ribavirin has been found to stop infection by and replication of dengue virus in vitro. Pharmacology Mycophenolate is derived from the fungus Penicillium stoloniferum or in P. echinulatum. Mycophenolate mofetil is metabolised in the liver to the active moiety mycophenolic acid. It inhibits inosine monophosphate dehydrogenase, the enzyme that controls the rate of synthesis of guanine monophosphate in the de novo pathway of purine synthesis used in the proliferation of B and T lymphocytes. Mycophenolate is potent and can, in many contexts, be used in place of the older anti-proliferative azathioprine. It is usually used as part of a three-compound regimen of immunosuppressants, also including a calcineurin inhibitor (ciclosporin or tacrolimus) and prednisolone. CLICK THE LINKS BELOW TO READ PUBLISHED REFERENCES FROM RESEARCHERS WHO HAVE USED OUR MYCOPHENOLIC ACID:
  • AUTOMATION AND ANALYTICAL TECHNIQUES: Methanol-Associated Matrix Effects in Electrospray Ionization Tandem Mass Spectrometry, Thomas M. Annesley, Clin. Chem., Oct 2007; 53: 1827 - 1834
  • DRUG MONITORING AND TOXICOLOGY: Quantification of Mycophenolic Acid and Glucuronide Metabolite in Human Serum by HPLC-Tandem Mass Spectrometry, Thomas M. Annesley and Larry T. Clayton, Clin. Chem., May 2005; 51: 872 - 877.
Source: Rossi S, editor. Moore RA, Derry S (2006). D'Cruz DP, Khamashta MA, Hughes GR (February 2007).